RecipientEditTextView.java revision 49744b029d48dd9082bc02cb1c00dc34d1619c85
1/* 2 3 * Copyright (C) 2011 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package com.android.ex.chips; 19 20import android.app.Dialog; 21import android.content.ClipData; 22import android.content.ClipDescription; 23import android.content.ClipboardManager; 24import android.content.Context; 25import android.content.DialogInterface; 26import android.content.DialogInterface.OnDismissListener; 27import android.content.res.Resources; 28import android.content.res.TypedArray; 29import android.graphics.Bitmap; 30import android.graphics.BitmapFactory; 31import android.graphics.BitmapShader; 32import android.graphics.Canvas; 33import android.graphics.Color; 34import android.graphics.Matrix; 35import android.graphics.Paint; 36import android.graphics.Paint.Style; 37import android.graphics.Point; 38import android.graphics.Rect; 39import android.graphics.RectF; 40import android.graphics.Shader.TileMode; 41import android.graphics.drawable.BitmapDrawable; 42import android.graphics.drawable.Drawable; 43import android.graphics.drawable.StateListDrawable; 44import android.os.AsyncTask; 45import android.os.Build; 46import android.os.Handler; 47import android.os.Looper; 48import android.os.Message; 49import android.os.Parcelable; 50import android.text.Editable; 51import android.text.InputType; 52import android.text.Layout; 53import android.text.Spannable; 54import android.text.SpannableString; 55import android.text.SpannableStringBuilder; 56import android.text.Spanned; 57import android.text.TextPaint; 58import android.text.TextUtils; 59import android.text.TextWatcher; 60import android.text.method.QwertyKeyListener; 61import android.text.util.Rfc822Token; 62import android.text.util.Rfc822Tokenizer; 63import android.util.AttributeSet; 64import android.util.Log; 65import android.view.ActionMode; 66import android.view.ActionMode.Callback; 67import android.view.DragEvent; 68import android.view.GestureDetector; 69import android.view.KeyEvent; 70import android.view.LayoutInflater; 71import android.view.Menu; 72import android.view.MenuItem; 73import android.view.MotionEvent; 74import android.view.View; 75import android.view.View.OnClickListener; 76import android.view.ViewParent; 77import android.view.accessibility.AccessibilityEvent; 78import android.view.accessibility.AccessibilityManager; 79import android.view.inputmethod.EditorInfo; 80import android.view.inputmethod.InputConnection; 81import android.widget.AdapterView; 82import android.widget.AdapterView.OnItemClickListener; 83import android.widget.Button; 84import android.widget.Filterable; 85import android.widget.ListAdapter; 86import android.widget.ListPopupWindow; 87import android.widget.ListView; 88import android.widget.MultiAutoCompleteTextView; 89import android.widget.ScrollView; 90import android.widget.TextView; 91 92import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 93import com.android.ex.chips.recipientchip.DrawableRecipientChip; 94import com.android.ex.chips.recipientchip.InvisibleRecipientChip; 95import com.android.ex.chips.recipientchip.ReplacementDrawableSpan; 96import com.android.ex.chips.recipientchip.VisibleRecipientChip; 97 98import java.util.ArrayList; 99import java.util.Arrays; 100import java.util.Collections; 101import java.util.Comparator; 102import java.util.List; 103import java.util.Map; 104import java.util.Set; 105import java.util.regex.Matcher; 106import java.util.regex.Pattern; 107 108/** 109 * RecipientEditTextView is an auto complete text view for use with applications 110 * that use the new Chips UI for addressing a message to recipients. 111 */ 112public class RecipientEditTextView extends MultiAutoCompleteTextView implements 113 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 114 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 115 TextView.OnEditorActionListener, DropdownChipLayouter.ChipDeleteListener { 116 private static final String TAG = "RecipientEditTextView"; 117 118 private static final char COMMIT_CHAR_COMMA = ','; 119 private static final char COMMIT_CHAR_SEMICOLON = ';'; 120 private static final char COMMIT_CHAR_SPACE = ' '; 121 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 122 + String.valueOf(COMMIT_CHAR_SPACE); 123 124 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 125 // parens, so numbers such as "1 (425) 222-2342" match. 126 private static final Pattern PHONE_PATTERN 127 = Pattern.compile( // sdd = space, dot, or dash 128 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 129 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 130 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 131 132 private static final int DISMISS = "dismiss".hashCode(); 133 private static final long DISMISS_DELAY = 300; 134 135 // TODO: get correct number/ algorithm from with UX. 136 // Visible for testing. 137 /*package*/ static final int CHIP_LIMIT = 2; 138 139 private static final int MAX_CHIPS_PARSED = 50; 140 141 private static int sSelectedTextColor = -1; 142 143 // Work variables to avoid re-allocation on every typed character. 144 private final Rect mRect = new Rect(); 145 private final int[] mCoords = new int[2]; 146 147 // Resources for displaying chips. 148 private Drawable mChipBackground = null; 149 private Drawable mChipDelete = null; 150 private Drawable mInvalidChipBackground; 151 private Drawable mChipBackgroundPressed; 152 153 // Possible attr overrides 154 private float mChipHeight; 155 private float mChipFontSize; 156 private float mLineSpacingExtra; 157 private int mChipTextStartPadding; 158 private int mChipTextEndPadding; 159 private final int mTextHeight; 160 private boolean mDisableDelete; 161 private int mMaxLines; 162 163 /** 164 * Enumerator for avatar position. See attr.xml for more details. 165 * 0 for end, 1 for start. 166 */ 167 private int mAvatarPosition; 168 private static final int AVATAR_POSITION_END = 0; 169 private static final int AVATAR_POSITION_START = 1; 170 171 private Paint mWorkPaint = new Paint(); 172 173 private Tokenizer mTokenizer; 174 private Validator mValidator; 175 private Handler mHandler; 176 private TextWatcher mTextWatcher; 177 private DropdownChipLayouter mDropdownChipLayouter; 178 179 private View mDropdownAnchor = this; 180 private ListPopupWindow mAlternatesPopup; 181 private ListPopupWindow mAddressPopup; 182 private View mAlternatePopupAnchor; 183 private OnItemClickListener mAlternatesListener; 184 185 private DrawableRecipientChip mSelectedChip; 186 private Bitmap mDefaultContactPhoto; 187 private ReplacementDrawableSpan mMoreChip; 188 private TextView mMoreItem; 189 190 private boolean mIsAccessibilityOn; 191 private int mCurrentSuggestionCount; 192 193 // VisibleForTesting 194 final ArrayList<String> mPendingChips = new ArrayList<String>(); 195 196 private int mPendingChipsCount = 0; 197 private int mCheckedItem; 198 private boolean mNoChips = false; 199 private boolean mShouldShrink = true; 200 201 // VisibleForTesting 202 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 203 204 private ArrayList<DrawableRecipientChip> mRemovedSpans; 205 206 // Chip copy fields. 207 private GestureDetector mGestureDetector; 208 private Dialog mCopyDialog; 209 private String mCopyAddress; 210 211 // Obtain the enclosing scroll view, if it exists, so that the view can be 212 // scrolled to show the last line of chips content. 213 private ScrollView mScrollView; 214 private boolean mTriedGettingScrollView; 215 private boolean mDragEnabled = false; 216 217 private boolean mAttachedToWindow; 218 219 private final Runnable mAddTextWatcher = new Runnable() { 220 @Override 221 public void run() { 222 if (mTextWatcher == null) { 223 mTextWatcher = new RecipientTextWatcher(); 224 addTextChangedListener(mTextWatcher); 225 } 226 } 227 }; 228 229 private IndividualReplacementTask mIndividualReplacements; 230 231 private Runnable mHandlePendingChips = new Runnable() { 232 233 @Override 234 public void run() { 235 handlePendingChips(); 236 } 237 238 }; 239 240 private Runnable mDelayedShrink = new Runnable() { 241 242 @Override 243 public void run() { 244 shrink(); 245 } 246 247 }; 248 249 private RecipientEntryItemClickedListener mRecipientEntryItemClickedListener; 250 251 public interface RecipientEntryItemClickedListener { 252 /** 253 * Callback that occurs whenever an auto-complete suggestion is clicked. 254 * @param charactersTyped the number of characters typed by the user to provide the 255 * auto-complete suggestions. 256 * @param position the position in the dropdown list that the user clicked 257 */ 258 void onRecipientEntryItemClicked(int charactersTyped, int position); 259 } 260 261 public RecipientEditTextView(Context context, AttributeSet attrs) { 262 super(context, attrs); 263 setChipDimensions(context, attrs); 264 mTextHeight = calculateTextHeight(); 265 if (sSelectedTextColor == -1) { 266 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 267 } 268 mAlternatesPopup = new ListPopupWindow(context); 269 mAlternatesPopup.setBackgroundDrawable(null); 270 mAddressPopup = new ListPopupWindow(context); 271 mAddressPopup.setBackgroundDrawable(null); 272 mCopyDialog = new Dialog(context); 273 mAlternatesListener = new OnItemClickListener() { 274 @Override 275 public void onItemClick(AdapterView<?> adapterView,View view, int position, 276 long rowId) { 277 mAlternatesPopup.setOnItemClickListener(null); 278 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 279 .getRecipientEntry(position)); 280 Message delayed = Message.obtain(mHandler, DISMISS); 281 delayed.obj = mAlternatesPopup; 282 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 283 clearComposingText(); 284 } 285 }; 286 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 287 setOnItemClickListener(this); 288 setCustomSelectionActionModeCallback(this); 289 mHandler = new Handler() { 290 @Override 291 public void handleMessage(Message msg) { 292 if (msg.what == DISMISS) { 293 ((ListPopupWindow) msg.obj).dismiss(); 294 return; 295 } 296 super.handleMessage(msg); 297 } 298 }; 299 mTextWatcher = new RecipientTextWatcher(); 300 addTextChangedListener(mTextWatcher); 301 mGestureDetector = new GestureDetector(context, this); 302 setOnEditorActionListener(this); 303 304 setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context)); 305 } 306 307 @Override 308 protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 309 super.onLayout(changed, left, top, right, bottom); 310 311 final AccessibilityManager accessibilityManager = 312 (AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE); 313 mIsAccessibilityOn = accessibilityManager.isEnabled(); 314 } 315 316 private int calculateTextHeight() { 317 final TextPaint paint = getPaint(); 318 319 mRect.setEmpty(); 320 // First measure the bounds of a sample text. 321 final String textHeightSample = "a"; 322 paint.getTextBounds(textHeightSample, 0, textHeightSample.length(), mRect); 323 324 mRect.left = 0; 325 mRect.right = 0; 326 327 return mRect.height(); 328 } 329 330 public void setDropdownChipLayouter(DropdownChipLayouter dropdownChipLayouter) { 331 mDropdownChipLayouter = dropdownChipLayouter; 332 mDropdownChipLayouter.setDeleteListener(this); 333 } 334 335 public void setRecipientEntryItemClickedListener(RecipientEntryItemClickedListener listener) { 336 mRecipientEntryItemClickedListener = listener; 337 } 338 339 @Override 340 protected void onDetachedFromWindow() { 341 super.onDetachedFromWindow(); 342 mAttachedToWindow = false; 343 dismissPopups(); 344 } 345 346 @Override 347 protected void onAttachedToWindow() { 348 super.onAttachedToWindow(); 349 mAttachedToWindow = true; 350 351 final int anchorId = getDropDownAnchor(); 352 if (anchorId != View.NO_ID) { 353 mDropdownAnchor = getRootView().findViewById(anchorId); 354 } 355 } 356 357 @Override 358 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 359 if (action == EditorInfo.IME_ACTION_DONE) { 360 if (commitDefault()) { 361 return true; 362 } 363 if (mSelectedChip != null) { 364 clearSelectedChip(); 365 return true; 366 } else if (focusNext()) { 367 return true; 368 } 369 } 370 return false; 371 } 372 373 @Override 374 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 375 InputConnection connection = super.onCreateInputConnection(outAttrs); 376 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 377 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 378 // clear the existing action 379 outAttrs.imeOptions ^= imeActions; 380 // set the DONE action 381 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 382 } 383 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 384 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 385 } 386 387 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 388 389 // Custom action labels are discouraged in L; a checkmark icon is shown in place of the 390 // custom text in this case. 391 outAttrs.actionLabel = Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP ? null : 392 getContext().getString(R.string.action_label); 393 return connection; 394 } 395 396 /*package*/ DrawableRecipientChip getLastChip() { 397 DrawableRecipientChip last = null; 398 DrawableRecipientChip[] chips = getSortedRecipients(); 399 if (chips != null && chips.length > 0) { 400 last = chips[chips.length - 1]; 401 } 402 return last; 403 } 404 405 /** 406 * @return The list of {@link RecipientEntry}s that have been selected by the user. 407 */ 408 public List<RecipientEntry> getSelectedRecipients() { 409 DrawableRecipientChip[] chips = 410 getText().getSpans(0, getText().length(), DrawableRecipientChip.class); 411 List<RecipientEntry> results = new ArrayList(); 412 if (chips == null) { 413 return results; 414 } 415 416 for (DrawableRecipientChip c : chips) { 417 results.add(c.getEntry()); 418 } 419 420 return results; 421 } 422 423 @Override 424 public void onSelectionChanged(int start, int end) { 425 // When selection changes, see if it is inside the chips area. 426 // If so, move the cursor back after the chips again. 427 DrawableRecipientChip last = getLastChip(); 428 if (last != null && start < getSpannable().getSpanEnd(last)) { 429 // Grab the last chip and set the cursor to after it. 430 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 431 } 432 super.onSelectionChanged(start, end); 433 } 434 435 @Override 436 public void onRestoreInstanceState(Parcelable state) { 437 if (!TextUtils.isEmpty(getText())) { 438 super.onRestoreInstanceState(null); 439 } else { 440 super.onRestoreInstanceState(state); 441 } 442 } 443 444 @Override 445 public Parcelable onSaveInstanceState() { 446 // If the user changes orientation while they are editing, just roll back the selection. 447 clearSelectedChip(); 448 return super.onSaveInstanceState(); 449 } 450 451 /** 452 * Convenience method: Append the specified text slice to the TextView's 453 * display buffer, upgrading it to BufferType.EDITABLE if it was 454 * not already editable. Commas are excluded as they are added automatically 455 * by the view. 456 */ 457 @Override 458 public void append(CharSequence text, int start, int end) { 459 // We don't care about watching text changes while appending. 460 if (mTextWatcher != null) { 461 removeTextChangedListener(mTextWatcher); 462 } 463 super.append(text, start, end); 464 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 465 String displayString = text.toString(); 466 467 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 468 // We have no separator, so we should add it 469 super.append(SEPARATOR, 0, SEPARATOR.length()); 470 displayString += SEPARATOR; 471 } 472 473 if (!TextUtils.isEmpty(displayString) 474 && TextUtils.getTrimmedLength(displayString) > 0) { 475 mPendingChipsCount++; 476 mPendingChips.add(displayString); 477 } 478 } 479 // Put a message on the queue to make sure we ALWAYS handle pending 480 // chips. 481 if (mPendingChipsCount > 0) { 482 postHandlePendingChips(); 483 } 484 mHandler.post(mAddTextWatcher); 485 } 486 487 @Override 488 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 489 super.onFocusChanged(hasFocus, direction, previous); 490 if (!hasFocus) { 491 shrink(); 492 } else { 493 expand(); 494 } 495 } 496 497 @Override 498 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 499 super.setAdapter(adapter); 500 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 501 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 502 @Override 503 public void onChanged(List<RecipientEntry> entries) { 504 // Scroll the chips field to the top of the screen so 505 // that the user can see as many results as possible. 506 if (entries != null && entries.size() > 0) { 507 scrollBottomIntoView(); 508 // Here the current suggestion count is still the old one since we update 509 // the count at the bottom of this function. 510 if (mCurrentSuggestionCount == 0) { 511 // Announce the new number of possible choices for accessibility. 512 announceForAccessibilityCompat(getContext().getString( 513 R.string.accessbility_suggestion_dropdown_opened)); 514 } 515 } 516 517 // Set the dropdown height to be the remaining height from the anchor to the bottom. 518 mDropdownAnchor.getLocationInWindow(mCoords); 519 getWindowVisibleDisplayFrame(mRect); 520 setDropDownHeight(mRect.bottom - mCoords[1] - mDropdownAnchor.getHeight()); 521 522 mCurrentSuggestionCount = entries == null ? 0 : entries.size(); 523 } 524 }); 525 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 526 } 527 528 private void announceForAccessibilityCompat(String text) { 529 if (mIsAccessibilityOn && Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 530 final ViewParent parent = getParent(); 531 if (parent != null) { 532 AccessibilityEvent event = AccessibilityEvent.obtain( 533 AccessibilityEvent.TYPE_ANNOUNCEMENT); 534 onInitializeAccessibilityEvent(event); 535 event.getText().add(text); 536 event.setContentDescription(null); 537 parent.requestSendAccessibilityEvent(this, event); 538 } 539 } 540 } 541 542 protected void scrollBottomIntoView() { 543 if (mScrollView != null && mShouldShrink) { 544 getLocationInWindow(mCoords); 545 // Desired position shows at least 1 line of chips below the action 546 // bar. We add excess padding to make sure this is always below other 547 // content. 548 final int height = getHeight(); 549 final int currentPos = mCoords[1] + height; 550 mScrollView.getLocationInWindow(mCoords); 551 final int desiredPos = mCoords[1] + height / getLineCount(); 552 if (currentPos > desiredPos) { 553 mScrollView.scrollBy(0, currentPos - desiredPos); 554 } 555 } 556 } 557 558 protected ScrollView getScrollView() { 559 return mScrollView; 560 } 561 562 @Override 563 public void performValidation() { 564 // Do nothing. Chips handles its own validation. 565 } 566 567 private void shrink() { 568 if (mTokenizer == null) { 569 return; 570 } 571 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 572 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 573 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 574 clearSelectedChip(); 575 } else { 576 if (getWidth() <= 0) { 577 // We don't have the width yet which means the view hasn't been drawn yet 578 // and there is no reason to attempt to commit chips yet. 579 // This focus lost must be the result of an orientation change 580 // or an initial rendering. 581 // Re-post the shrink for later. 582 mHandler.removeCallbacks(mDelayedShrink); 583 mHandler.post(mDelayedShrink); 584 return; 585 } 586 // Reset any pending chips as they would have been handled 587 // when the field lost focus. 588 if (mPendingChipsCount > 0) { 589 postHandlePendingChips(); 590 } else { 591 Editable editable = getText(); 592 int end = getSelectionEnd(); 593 int start = mTokenizer.findTokenStart(editable, end); 594 DrawableRecipientChip[] chips = 595 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 596 if ((chips == null || chips.length == 0)) { 597 Editable text = getText(); 598 int whatEnd = mTokenizer.findTokenEnd(text, start); 599 // This token was already tokenized, so skip past the ending token. 600 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 601 whatEnd = movePastTerminators(whatEnd); 602 } 603 // In the middle of chip; treat this as an edit 604 // and commit the whole token. 605 int selEnd = getSelectionEnd(); 606 if (whatEnd != selEnd) { 607 handleEdit(start, whatEnd); 608 } else { 609 commitChip(start, end, editable); 610 } 611 } 612 } 613 mHandler.post(mAddTextWatcher); 614 } 615 createMoreChip(); 616 } 617 618 private void expand() { 619 if (mShouldShrink) { 620 setMaxLines(Integer.MAX_VALUE); 621 } 622 removeMoreChip(); 623 setCursorVisible(true); 624 Editable text = getText(); 625 setSelection(text != null && text.length() > 0 ? text.length() : 0); 626 // If there are any temporary chips, try replacing them now that the user 627 // has expanded the field. 628 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 629 new RecipientReplacementTask().execute(); 630 mTemporaryRecipients = null; 631 } 632 } 633 634 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 635 paint.setTextSize(mChipFontSize); 636 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 637 Log.d(TAG, "Max width is negative: " + maxWidth); 638 } 639 return TextUtils.ellipsize(text, paint, maxWidth, 640 TextUtils.TruncateAt.END); 641 } 642 643 /** 644 * Creates a bitmap of the given contact on a selected chip. 645 * 646 * @param contact The recipient entry to pull data from. 647 * @param paint The paint to use to draw the bitmap. 648 */ 649 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 650 paint.setColor(sSelectedTextColor); 651 final ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 652 mChipBackgroundPressed, getResources().getColor(R.color.chip_background_selected)); 653 654 if (bitmapContainer.loadIcon) { 655 loadAvatarIcon(contact, bitmapContainer); 656 } 657 658 return bitmapContainer.bitmap; 659 } 660 661 /** 662 * Creates a bitmap of the given contact on a selected chip. 663 * 664 * @param contact The recipient entry to pull data from. 665 * @param paint The paint to use to draw the bitmap. 666 */ 667 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint) { 668 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 669 ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 670 getChipBackground(contact), getDefaultChipBackgroundColor(contact)); 671 672 if (bitmapContainer.loadIcon) { 673 loadAvatarIcon(contact, bitmapContainer); 674 } 675 return bitmapContainer.bitmap; 676 } 677 678 private ChipBitmapContainer createChipBitmap(RecipientEntry contact, TextPaint paint, 679 Drawable overrideBackgroundDrawable, int backgroundColor) { 680 final ChipBitmapContainer result = new ChipBitmapContainer(); 681 682 Rect backgroundPadding = new Rect(); 683 if (overrideBackgroundDrawable != null) { 684 overrideBackgroundDrawable.getPadding(backgroundPadding); 685 } 686 687 // Ellipsize the text so that it takes AT MOST the entire width of the 688 // autocomplete text entry area. Make sure to leave space for padding 689 // on the sides. 690 int height = (int) mChipHeight; 691 // Since the icon is a square, it's width is equal to the maximum height it can be inside 692 // the chip. Don't include iconWidth for invalid contacts. 693 int iconWidth = contact.isValid() ? 694 height - backgroundPadding.top - backgroundPadding.bottom : 0; 695 float[] widths = new float[1]; 696 paint.getTextWidths(" ", widths); 697 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 698 calculateAvailableWidth() - iconWidth - widths[0] - backgroundPadding.left 699 - backgroundPadding.right); 700 int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); 701 702 // Chip start padding is the same as the end padding if there is no contact image. 703 final int startPadding = contact.isValid() ? mChipTextStartPadding : mChipTextEndPadding; 704 // Make sure there is a minimum chip width so the user can ALWAYS 705 // tap a chip without difficulty. 706 int width = Math.max(iconWidth * 2, textWidth + startPadding + mChipTextEndPadding 707 + iconWidth + backgroundPadding.left + backgroundPadding.right); 708 709 // Create the background of the chip. 710 result.bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 711 final Canvas canvas = new Canvas(result.bitmap); 712 713 // Check if the background drawable is set via attr 714 if (overrideBackgroundDrawable != null) { 715 overrideBackgroundDrawable.setBounds(0, 0, width, height); 716 overrideBackgroundDrawable.draw(canvas); 717 } else { 718 // Draw the default chip background 719 mWorkPaint.reset(); 720 mWorkPaint.setColor(backgroundColor); 721 mWorkPaint.setAntiAlias(true); 722 final float radius = height / 2; 723 canvas.drawRoundRect(new RectF(0, 0, width, height), radius, radius, 724 mWorkPaint); 725 } 726 727 // Draw the text vertically aligned 728 int textX = shouldPositionAvatarOnRight() ? 729 mChipTextEndPadding + backgroundPadding.left : 730 width - backgroundPadding.right - mChipTextEndPadding - textWidth; 731 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), 732 textX, getTextYOffset(height), paint); 733 734 // Set the variables that are needed to draw the icon bitmap once it's loaded 735 int iconX = shouldPositionAvatarOnRight() ? width - backgroundPadding.right - iconWidth : 736 backgroundPadding.left; 737 result.left = iconX; 738 result.top = backgroundPadding.top; 739 result.right = iconX + iconWidth; 740 result.bottom = height - backgroundPadding.bottom; 741 742 return result; 743 } 744 745 /** 746 * Helper function that draws the loaded icon bitmap into the chips bitmap 747 */ 748 private void drawIcon(ChipBitmapContainer bitMapResult, Bitmap icon) { 749 final Canvas canvas = new Canvas(bitMapResult.bitmap); 750 final RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); 751 final RectF dst = new RectF(bitMapResult.left, bitMapResult.top, bitMapResult.right, 752 bitMapResult.bottom); 753 drawIconOnCanvas(icon, canvas, src, dst); 754 } 755 756 /** 757 * Returns true if the avatar should be positioned at the right edge of the chip. 758 * Takes into account both the set avatar position (start or end) as well as whether 759 * the layout direction is LTR or RTL. 760 */ 761 private boolean shouldPositionAvatarOnRight() { 762 final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 ? 763 getLayoutDirection() == LAYOUT_DIRECTION_RTL : false; 764 final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; 765 // If in Rtl mode, the position should be flipped. 766 return isRtl ? !assignedPosition : assignedPosition; 767 } 768 769 /** 770 * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to 771 * draw an icon for this recipient. 772 */ 773 private void loadAvatarIcon(final RecipientEntry contact, 774 final ChipBitmapContainer bitmapContainer) { 775 // Don't draw photos for recipients that have been typed in OR generated on the fly. 776 long contactId = contact.getContactId(); 777 boolean drawPhotos = isPhoneQuery() ? 778 contactId != RecipientEntry.INVALID_CONTACT 779 : (contactId != RecipientEntry.INVALID_CONTACT 780 && contactId != RecipientEntry.GENERATED_CONTACT); 781 782 if (drawPhotos) { 783 final byte[] origPhotoBytes = contact.getPhotoBytes(); 784 // There may not be a photo yet if anything but the first contact address 785 // was selected. 786 if (origPhotoBytes == null) { 787 // TODO: cache this in the recipient entry? 788 getAdapter().fetchPhoto(contact, new PhotoManager.PhotoManagerCallback() { 789 @Override 790 public void onPhotoBytesPopulated() { 791 // Call through to the async version which will ensure 792 // proper threading. 793 onPhotoBytesAsynchronouslyPopulated(); 794 } 795 796 @Override 797 public void onPhotoBytesAsynchronouslyPopulated() { 798 final byte[] loadedPhotoBytes = contact.getPhotoBytes(); 799 final Bitmap icon = BitmapFactory.decodeByteArray(loadedPhotoBytes, 0, 800 loadedPhotoBytes.length); 801 tryDrawAndInvalidate(icon); 802 } 803 804 @Override 805 public void onPhotoBytesAsyncLoadFailed() { 806 // TODO: can the scaled down default photo be cached? 807 tryDrawAndInvalidate(mDefaultContactPhoto); 808 } 809 810 private void tryDrawAndInvalidate(Bitmap icon) { 811 drawIcon(bitmapContainer, icon); 812 // The caller might originated from a background task. However, if the 813 // background task has already completed, the view might be already drawn 814 // on the UI but the callback would happen on the background thread. 815 // So if we are on a background thread, post an invalidate call to the UI. 816 if (Looper.myLooper() == Looper.getMainLooper()) { 817 // The view might not redraw itself since it's loaded asynchronously 818 invalidate(); 819 } else { 820 post(new Runnable() { 821 @Override 822 public void run() { 823 invalidate(); 824 } 825 }); 826 } 827 } 828 }); 829 } else { 830 final Bitmap icon = BitmapFactory.decodeByteArray(origPhotoBytes, 0, 831 origPhotoBytes.length); 832 drawIcon(bitmapContainer, icon); 833 } 834 } 835 } 836 837 /** 838 * Get the background drawable for a RecipientChip. 839 */ 840 // Visible for testing. 841 /* package */Drawable getChipBackground(RecipientEntry contact) { 842 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 843 } 844 845 private int getDefaultChipBackgroundColor(RecipientEntry contact) { 846 return getResources().getColor(contact.isValid() ? R.color.chip_background : 847 R.color.chip_background_invalid); 848 } 849 850 /** 851 * Given a height, returns a Y offset that will draw the text in the middle of the height. 852 */ 853 protected float getTextYOffset(int height) { 854 return height - ((height - mTextHeight) / 2); 855 } 856 857 /** 858 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 859 * rectangle of the canvas. 860 */ 861 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, RectF src, RectF dst) { 862 final Matrix matrix = new Matrix(); 863 864 // Draw bitmap through shader first. 865 final BitmapShader shader = new BitmapShader(icon, TileMode.CLAMP, TileMode.CLAMP); 866 matrix.reset(); 867 868 // Fit bitmap to bounds. 869 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 870 871 shader.setLocalMatrix(matrix); 872 mWorkPaint.reset(); 873 mWorkPaint.setShader(shader); 874 mWorkPaint.setAntiAlias(true); 875 mWorkPaint.setFilterBitmap(true); 876 mWorkPaint.setDither(true); 877 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f, mWorkPaint); 878 879 // Then draw the border. 880 final float borderWidth = 1f; 881 mWorkPaint.reset(); 882 mWorkPaint.setColor(Color.TRANSPARENT); 883 mWorkPaint.setStyle(Style.STROKE); 884 mWorkPaint.setStrokeWidth(borderWidth); 885 mWorkPaint.setAntiAlias(true); 886 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f - borderWidth / 2, mWorkPaint); 887 888 mWorkPaint.reset(); 889 } 890 891 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed) { 892 TextPaint paint = getPaint(); 893 float defaultSize = paint.getTextSize(); 894 int defaultColor = paint.getColor(); 895 896 Bitmap tmpBitmap; 897 if (pressed) { 898 tmpBitmap = createSelectedChip(contact, paint); 899 900 } else { 901 tmpBitmap = createUnselectedChip(contact, paint); 902 } 903 904 // Pass the full text, un-ellipsized, to the chip. 905 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 906 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 907 VisibleRecipientChip recipientChip = 908 new VisibleRecipientChip(result, contact); 909 recipientChip.setExtraMargin(mLineSpacingExtra); 910 // Return text to the original size. 911 paint.setTextSize(defaultSize); 912 paint.setColor(defaultColor); 913 return recipientChip; 914 } 915 916 /** 917 * Calculate the bottom of the line the chip will be located on using: 918 * 1) which line the chip appears on 919 * 2) the height of a chip 920 * 3) padding built into the edit text view 921 */ 922 private int calculateOffsetFromBottom(int line) { 923 // Line offsets start at zero. 924 int actualLine = getLineCount() - (line + 1); 925 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 926 + getDropDownVerticalOffset(); 927 } 928 929 /** 930 * Calculate the offset from bottom of the EditText to top of the provided line. 931 */ 932 private int calculateOffsetFromBottomToTop(int line) { 933 return -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 934 .abs(getLineCount() - line)) + getPaddingBottom()); 935 } 936 937 /** 938 * Get the max amount of space a chip can take up. The formula takes into 939 * account the width of the EditTextView, any view padding, and padding 940 * that will be added to the chip. 941 */ 942 private float calculateAvailableWidth() { 943 return getWidth() - getPaddingLeft() - getPaddingRight() - mChipTextStartPadding 944 - mChipTextEndPadding; 945 } 946 947 948 private void setChipDimensions(Context context, AttributeSet attrs) { 949 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 950 0); 951 Resources r = getContext().getResources(); 952 953 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 954 mChipBackgroundPressed = a 955 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 956 mInvalidChipBackground = a 957 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 958 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 959 if (mChipDelete == null) { 960 mChipDelete = r.getDrawable(R.drawable.ic_cancel_wht_24dp); 961 } 962 mChipTextStartPadding = mChipTextEndPadding 963 = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 964 if (mChipTextStartPadding == -1) { 965 mChipTextStartPadding = mChipTextEndPadding = 966 (int) r.getDimension(R.dimen.chip_padding); 967 } 968 // xml-overrides for each individual padding 969 // TODO: add these to attr? 970 int overridePadding = (int) r.getDimension(R.dimen.chip_padding_start); 971 if (overridePadding >= 0) { 972 mChipTextStartPadding = overridePadding; 973 } 974 overridePadding = (int) r.getDimension(R.dimen.chip_padding_end); 975 if (overridePadding >= 0) { 976 mChipTextEndPadding = overridePadding; 977 } 978 979 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 980 981 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 982 983 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 984 if (mChipHeight == -1) { 985 mChipHeight = r.getDimension(R.dimen.chip_height); 986 } 987 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 988 if (mChipFontSize == -1) { 989 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 990 } 991 mAvatarPosition = 992 a.getInt(R.styleable.RecipientEditTextView_avatarPosition, AVATAR_POSITION_START); 993 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 994 995 mMaxLines = r.getInteger(R.integer.chips_max_lines); 996 mLineSpacingExtra = r.getDimensionPixelOffset(R.dimen.line_spacing_extra); 997 998 a.recycle(); 999 } 1000 1001 // Visible for testing. 1002 /* package */ void setMoreItem(TextView moreItem) { 1003 mMoreItem = moreItem; 1004 } 1005 1006 1007 // Visible for testing. 1008 /* package */ void setChipBackground(Drawable chipBackground) { 1009 mChipBackground = chipBackground; 1010 } 1011 1012 // Visible for testing. 1013 /* package */ void setChipHeight(int height) { 1014 mChipHeight = height; 1015 } 1016 1017 public float getChipHeight() { 1018 return mChipHeight; 1019 } 1020 1021 /** 1022 * Set whether to shrink the recipients field such that at most 1023 * one line of recipients chips are shown when the field loses 1024 * focus. By default, the number of displayed recipients will be 1025 * limited and a "more" chip will be shown when focus is lost. 1026 * @param shrink 1027 */ 1028 public void setOnFocusListShrinkRecipients(boolean shrink) { 1029 mShouldShrink = shrink; 1030 } 1031 1032 @Override 1033 public void onSizeChanged(int width, int height, int oldw, int oldh) { 1034 super.onSizeChanged(width, height, oldw, oldh); 1035 if (width != 0 && height != 0) { 1036 if (mPendingChipsCount > 0) { 1037 postHandlePendingChips(); 1038 } else { 1039 checkChipWidths(); 1040 } 1041 } 1042 // Try to find the scroll view parent, if it exists. 1043 if (mScrollView == null && !mTriedGettingScrollView) { 1044 ViewParent parent = getParent(); 1045 while (parent != null && !(parent instanceof ScrollView)) { 1046 parent = parent.getParent(); 1047 } 1048 if (parent != null) { 1049 mScrollView = (ScrollView) parent; 1050 } 1051 mTriedGettingScrollView = true; 1052 } 1053 } 1054 1055 private void postHandlePendingChips() { 1056 mHandler.removeCallbacks(mHandlePendingChips); 1057 mHandler.post(mHandlePendingChips); 1058 } 1059 1060 private void checkChipWidths() { 1061 // Check the widths of the associated chips. 1062 DrawableRecipientChip[] chips = getSortedRecipients(); 1063 if (chips != null) { 1064 Rect bounds; 1065 for (DrawableRecipientChip chip : chips) { 1066 bounds = chip.getBounds(); 1067 if (getWidth() > 0 && bounds.right - bounds.left > 1068 getWidth() - getPaddingLeft() - getPaddingRight()) { 1069 // Need to redraw that chip. 1070 replaceChip(chip, chip.getEntry()); 1071 } 1072 } 1073 } 1074 } 1075 1076 // Visible for testing. 1077 /*package*/ void handlePendingChips() { 1078 if (getViewWidth() <= 0) { 1079 // The widget has not been sized yet. 1080 // This will be called as a result of onSizeChanged 1081 // at a later point. 1082 return; 1083 } 1084 if (mPendingChipsCount <= 0) { 1085 return; 1086 } 1087 1088 synchronized (mPendingChips) { 1089 Editable editable = getText(); 1090 // Tokenize! 1091 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 1092 for (int i = 0; i < mPendingChips.size(); i++) { 1093 String current = mPendingChips.get(i); 1094 int tokenStart = editable.toString().indexOf(current); 1095 // Always leave a space at the end between tokens. 1096 int tokenEnd = tokenStart + current.length() - 1; 1097 if (tokenStart >= 0) { 1098 // When we have a valid token, include it with the token 1099 // to the left. 1100 if (tokenEnd < editable.length() - 2 1101 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 1102 tokenEnd++; 1103 } 1104 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 1105 || !mShouldShrink); 1106 } 1107 mPendingChipsCount--; 1108 } 1109 sanitizeEnd(); 1110 } else { 1111 mNoChips = true; 1112 } 1113 1114 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 1115 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 1116 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 1117 new RecipientReplacementTask().execute(); 1118 mTemporaryRecipients = null; 1119 } else { 1120 // Create the "more" chip 1121 mIndividualReplacements = new IndividualReplacementTask(); 1122 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 1123 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 1124 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 1125 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 1126 mTemporaryRecipients.subList(CHIP_LIMIT, 1127 mTemporaryRecipients.size())); 1128 } else { 1129 mTemporaryRecipients = null; 1130 } 1131 createMoreChip(); 1132 } 1133 } else { 1134 // There are too many recipients to look up, so just fall back 1135 // to showing addresses for all of them. 1136 mTemporaryRecipients = null; 1137 createMoreChip(); 1138 } 1139 mPendingChipsCount = 0; 1140 mPendingChips.clear(); 1141 } 1142 } 1143 1144 // Visible for testing. 1145 /*package*/ int getViewWidth() { 1146 return getWidth(); 1147 } 1148 1149 /** 1150 * Remove any characters after the last valid chip. 1151 */ 1152 // Visible for testing. 1153 /*package*/ void sanitizeEnd() { 1154 // Don't sanitize while we are waiting for pending chips to complete. 1155 if (mPendingChipsCount > 0) { 1156 return; 1157 } 1158 // Find the last chip; eliminate any commit characters after it. 1159 DrawableRecipientChip[] chips = getSortedRecipients(); 1160 Spannable spannable = getSpannable(); 1161 if (chips != null && chips.length > 0) { 1162 int end; 1163 mMoreChip = getMoreChip(); 1164 if (mMoreChip != null) { 1165 end = spannable.getSpanEnd(mMoreChip); 1166 } else { 1167 end = getSpannable().getSpanEnd(getLastChip()); 1168 } 1169 Editable editable = getText(); 1170 int length = editable.length(); 1171 if (length > end) { 1172 // See what characters occur after that and eliminate them. 1173 if (Log.isLoggable(TAG, Log.DEBUG)) { 1174 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1175 + editable); 1176 } 1177 editable.delete(end + 1, length); 1178 } 1179 } 1180 } 1181 1182 /** 1183 * Create a chip that represents just the email address of a recipient. At some later 1184 * point, this chip will be attached to a real contact entry, if one exists. 1185 */ 1186 // VisibleForTesting 1187 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1188 boolean visible) { 1189 if (alreadyHasChip(tokenStart, tokenEnd)) { 1190 // There is already a chip present at this location. 1191 // Don't recreate it. 1192 return; 1193 } 1194 String token = editable.toString().substring(tokenStart, tokenEnd); 1195 final String trimmedToken = token.trim(); 1196 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1197 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1198 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1199 } 1200 RecipientEntry entry = createTokenizedEntry(token); 1201 if (entry != null) { 1202 DrawableRecipientChip chip = null; 1203 try { 1204 if (!mNoChips) { 1205 chip = visible ? 1206 constructChipSpan(entry, false) : new InvisibleRecipientChip(entry); 1207 } 1208 } catch (NullPointerException e) { 1209 Log.e(TAG, e.getMessage(), e); 1210 } 1211 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1212 // Add this chip to the list of entries "to replace" 1213 if (chip != null) { 1214 if (mTemporaryRecipients == null) { 1215 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1216 } 1217 chip.setOriginalText(token); 1218 mTemporaryRecipients.add(chip); 1219 } 1220 } 1221 } 1222 1223 private static boolean isPhoneNumber(String number) { 1224 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1225 // PhoneNumberUtil). One complication is that it requires the sender's region which 1226 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1227 if (TextUtils.isEmpty(number)) { 1228 return false; 1229 } 1230 1231 Matcher match = PHONE_PATTERN.matcher(number); 1232 return match.matches(); 1233 } 1234 1235 // VisibleForTesting 1236 RecipientEntry createTokenizedEntry(final String token) { 1237 if (TextUtils.isEmpty(token)) { 1238 return null; 1239 } 1240 if (isPhoneQuery() && isPhoneNumber(token)) { 1241 return RecipientEntry.constructFakePhoneEntry(token, true); 1242 } 1243 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1244 String display = null; 1245 boolean isValid = isValid(token); 1246 if (isValid && tokens != null && tokens.length > 0) { 1247 // If we can get a name from tokenizing, then generate an entry from 1248 // this. 1249 display = tokens[0].getName(); 1250 if (!TextUtils.isEmpty(display)) { 1251 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1252 isValid); 1253 } else { 1254 display = tokens[0].getAddress(); 1255 if (!TextUtils.isEmpty(display)) { 1256 return RecipientEntry.constructFakeEntry(display, isValid); 1257 } 1258 } 1259 } 1260 // Unable to validate the token or to create a valid token from it. 1261 // Just create a chip the user can edit. 1262 String validatedToken = null; 1263 if (mValidator != null && !isValid) { 1264 // Try fixing up the entry using the validator. 1265 validatedToken = mValidator.fixText(token).toString(); 1266 if (!TextUtils.isEmpty(validatedToken)) { 1267 if (validatedToken.contains(token)) { 1268 // protect against the case of a validator with a null 1269 // domain, 1270 // which doesn't add a domain to the token 1271 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1272 if (tokenized.length > 0) { 1273 validatedToken = tokenized[0].getAddress(); 1274 isValid = true; 1275 } 1276 } else { 1277 // We ran into a case where the token was invalid and 1278 // removed 1279 // by the validator. In this case, just use the original 1280 // token 1281 // and let the user sort out the error chip. 1282 validatedToken = null; 1283 isValid = false; 1284 } 1285 } 1286 } 1287 // Otherwise, fallback to just creating an editable email address chip. 1288 return RecipientEntry.constructFakeEntry( 1289 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1290 } 1291 1292 private boolean isValid(String text) { 1293 return mValidator == null ? true : mValidator.isValid(text); 1294 } 1295 1296 private static String tokenizeAddress(String destination) { 1297 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1298 if (tokens != null && tokens.length > 0) { 1299 return tokens[0].getAddress(); 1300 } 1301 return destination; 1302 } 1303 1304 @Override 1305 public void setTokenizer(Tokenizer tokenizer) { 1306 mTokenizer = tokenizer; 1307 super.setTokenizer(mTokenizer); 1308 } 1309 1310 @Override 1311 public void setValidator(Validator validator) { 1312 mValidator = validator; 1313 super.setValidator(validator); 1314 } 1315 1316 /** 1317 * We cannot use the default mechanism for replaceText. Instead, 1318 * we override onItemClickListener so we can get all the associated 1319 * contact information including display text, address, and id. 1320 */ 1321 @Override 1322 protected void replaceText(CharSequence text) { 1323 return; 1324 } 1325 1326 /** 1327 * Dismiss any selected chips when the back key is pressed. 1328 */ 1329 @Override 1330 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1331 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1332 clearSelectedChip(); 1333 return true; 1334 } 1335 return super.onKeyPreIme(keyCode, event); 1336 } 1337 1338 /** 1339 * Monitor key presses in this view to see if the user types 1340 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1341 * If the user has entered text that has contact matches and types 1342 * a commit key, create a chip from the topmost matching contact. 1343 * If the user has entered text that has no contact matches and types 1344 * a commit key, then create a chip from the text they have entered. 1345 */ 1346 @Override 1347 public boolean onKeyUp(int keyCode, KeyEvent event) { 1348 switch (keyCode) { 1349 case KeyEvent.KEYCODE_TAB: 1350 if (event.hasNoModifiers()) { 1351 if (mSelectedChip != null) { 1352 clearSelectedChip(); 1353 } else { 1354 commitDefault(); 1355 } 1356 } 1357 break; 1358 } 1359 return super.onKeyUp(keyCode, event); 1360 } 1361 1362 private boolean focusNext() { 1363 View next = focusSearch(View.FOCUS_DOWN); 1364 if (next != null) { 1365 next.requestFocus(); 1366 return true; 1367 } 1368 return false; 1369 } 1370 1371 /** 1372 * Create a chip from the default selection. If the popup is showing, the 1373 * default is the selected item (if one is selected), or the first item, in the popup 1374 * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the 1375 * tokenizer should search for a token to turn into a chip. 1376 * @return If a chip was created from a real contact. 1377 */ 1378 private boolean commitDefault() { 1379 // If there is no tokenizer, don't try to commit. 1380 if (mTokenizer == null) { 1381 return false; 1382 } 1383 Editable editable = getText(); 1384 int end = getSelectionEnd(); 1385 int start = mTokenizer.findTokenStart(editable, end); 1386 1387 if (shouldCreateChip(start, end)) { 1388 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1389 // In the middle of chip; treat this as an edit 1390 // and commit the whole token. 1391 whatEnd = movePastTerminators(whatEnd); 1392 if (whatEnd != getSelectionEnd()) { 1393 handleEdit(start, whatEnd); 1394 return true; 1395 } 1396 return commitChip(start, end , editable); 1397 } 1398 return false; 1399 } 1400 1401 private void commitByCharacter() { 1402 // We can't possibly commit by character if we can't tokenize. 1403 if (mTokenizer == null) { 1404 return; 1405 } 1406 Editable editable = getText(); 1407 int end = getSelectionEnd(); 1408 int start = mTokenizer.findTokenStart(editable, end); 1409 if (shouldCreateChip(start, end)) { 1410 commitChip(start, end, editable); 1411 } 1412 setSelection(getText().length()); 1413 } 1414 1415 private boolean commitChip(int start, int end, Editable editable) { 1416 ListAdapter adapter = getAdapter(); 1417 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1418 && end == getSelectionEnd() && !isPhoneQuery()) { 1419 // let's choose the selected or first entry if only the input text is NOT an email 1420 // address so we won't try to replace the user's potentially correct but 1421 // new/unencountered email input 1422 if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { 1423 final int selectedPosition = getListSelection(); 1424 if (selectedPosition == -1) { 1425 // Nothing is selected; use the first item 1426 submitItemAtPosition(0); 1427 } else { 1428 submitItemAtPosition(selectedPosition); 1429 } 1430 } 1431 dismissDropDown(); 1432 return true; 1433 } else { 1434 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1435 if (editable.length() > tokenEnd + 1) { 1436 char charAt = editable.charAt(tokenEnd + 1); 1437 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1438 tokenEnd++; 1439 } 1440 } 1441 String text = editable.toString().substring(start, tokenEnd).trim(); 1442 clearComposingText(); 1443 if (text != null && text.length() > 0 && !text.equals(" ")) { 1444 RecipientEntry entry = createTokenizedEntry(text); 1445 if (entry != null) { 1446 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1447 CharSequence chipText = createChip(entry, false); 1448 if (chipText != null && start > -1 && end > -1) { 1449 editable.replace(start, end, chipText); 1450 } 1451 } 1452 // Only dismiss the dropdown if it is related to the text we 1453 // just committed. 1454 // For paste, it may not be as there are possibly multiple 1455 // tokens being added. 1456 if (end == getSelectionEnd()) { 1457 dismissDropDown(); 1458 } 1459 sanitizeBetween(); 1460 return true; 1461 } 1462 } 1463 return false; 1464 } 1465 1466 // Visible for testing. 1467 /* package */ void sanitizeBetween() { 1468 // Don't sanitize while we are waiting for content to chipify. 1469 if (mPendingChipsCount > 0) { 1470 return; 1471 } 1472 // Find the last chip. 1473 DrawableRecipientChip[] recips = getSortedRecipients(); 1474 if (recips != null && recips.length > 0) { 1475 DrawableRecipientChip last = recips[recips.length - 1]; 1476 DrawableRecipientChip beforeLast = null; 1477 if (recips.length > 1) { 1478 beforeLast = recips[recips.length - 2]; 1479 } 1480 int startLooking = 0; 1481 int end = getSpannable().getSpanStart(last); 1482 if (beforeLast != null) { 1483 startLooking = getSpannable().getSpanEnd(beforeLast); 1484 Editable text = getText(); 1485 if (startLooking == -1 || startLooking > text.length() - 1) { 1486 // There is nothing after this chip. 1487 return; 1488 } 1489 if (text.charAt(startLooking) == ' ') { 1490 startLooking++; 1491 } 1492 } 1493 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1494 getText().delete(startLooking, end); 1495 } 1496 } 1497 } 1498 1499 private boolean shouldCreateChip(int start, int end) { 1500 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1501 } 1502 1503 private boolean alreadyHasChip(int start, int end) { 1504 if (mNoChips) { 1505 return true; 1506 } 1507 DrawableRecipientChip[] chips = 1508 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1509 if ((chips == null || chips.length == 0)) { 1510 return false; 1511 } 1512 return true; 1513 } 1514 1515 private void handleEdit(int start, int end) { 1516 if (start == -1 || end == -1) { 1517 // This chip no longer exists in the field. 1518 dismissDropDown(); 1519 return; 1520 } 1521 // This is in the middle of a chip, so select out the whole chip 1522 // and commit it. 1523 Editable editable = getText(); 1524 setSelection(end); 1525 String text = getText().toString().substring(start, end); 1526 if (!TextUtils.isEmpty(text)) { 1527 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1528 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1529 CharSequence chipText = createChip(entry, false); 1530 int selEnd = getSelectionEnd(); 1531 if (chipText != null && start > -1 && selEnd > -1) { 1532 editable.replace(start, selEnd, chipText); 1533 } 1534 } 1535 dismissDropDown(); 1536 } 1537 1538 /** 1539 * If there is a selected chip, delegate the key events 1540 * to the selected chip. 1541 */ 1542 @Override 1543 public boolean onKeyDown(int keyCode, KeyEvent event) { 1544 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1545 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1546 mAlternatesPopup.dismiss(); 1547 } 1548 removeChip(mSelectedChip); 1549 } 1550 1551 switch (keyCode) { 1552 case KeyEvent.KEYCODE_ENTER: 1553 case KeyEvent.KEYCODE_DPAD_CENTER: 1554 if (event.hasNoModifiers()) { 1555 if (commitDefault()) { 1556 return true; 1557 } 1558 if (mSelectedChip != null) { 1559 clearSelectedChip(); 1560 return true; 1561 } else if (focusNext()) { 1562 return true; 1563 } 1564 } 1565 break; 1566 } 1567 1568 return super.onKeyDown(keyCode, event); 1569 } 1570 1571 // Visible for testing. 1572 /* package */ Spannable getSpannable() { 1573 return getText(); 1574 } 1575 1576 private int getChipStart(DrawableRecipientChip chip) { 1577 return getSpannable().getSpanStart(chip); 1578 } 1579 1580 private int getChipEnd(DrawableRecipientChip chip) { 1581 return getSpannable().getSpanEnd(chip); 1582 } 1583 1584 /** 1585 * Instead of filtering on the entire contents of the edit box, 1586 * this subclass method filters on the range from 1587 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1588 * if the length of that range meets or exceeds {@link #getThreshold} 1589 * and makes sure that the range is not already a Chip. 1590 */ 1591 @Override 1592 protected void performFiltering(CharSequence text, int keyCode) { 1593 boolean isCompletedToken = isCompletedToken(text); 1594 if (enoughToFilter() && !isCompletedToken) { 1595 int end = getSelectionEnd(); 1596 int start = mTokenizer.findTokenStart(text, end); 1597 // If this is a RecipientChip, don't filter 1598 // on its contents. 1599 Spannable span = getSpannable(); 1600 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1601 if (chips != null && chips.length > 0) { 1602 dismissDropDown(); 1603 return; 1604 } 1605 } else if (isCompletedToken) { 1606 dismissDropDown(); 1607 return; 1608 } 1609 super.performFiltering(text, keyCode); 1610 } 1611 1612 // Visible for testing. 1613 /*package*/ boolean isCompletedToken(CharSequence text) { 1614 if (TextUtils.isEmpty(text)) { 1615 return false; 1616 } 1617 // Check to see if this is a completed token before filtering. 1618 int end = text.length(); 1619 int start = mTokenizer.findTokenStart(text, end); 1620 String token = text.toString().substring(start, end).trim(); 1621 if (!TextUtils.isEmpty(token)) { 1622 char atEnd = token.charAt(token.length() - 1); 1623 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1624 } 1625 return false; 1626 } 1627 1628 /** 1629 * Clears the selected chip if there is one (and dismissing any popups related to the selected 1630 * chip in the process). 1631 */ 1632 public void clearSelectedChip() { 1633 if (mSelectedChip != null) { 1634 unselectChip(mSelectedChip); 1635 mSelectedChip = null; 1636 } 1637 setCursorVisible(true); 1638 } 1639 1640 /** 1641 * Monitor touch events in the RecipientEditTextView. 1642 * If the view does not have focus, any tap on the view 1643 * will just focus the view. If the view has focus, determine 1644 * if the touch target is a recipient chip. If it is and the chip 1645 * is not selected, select it and clear any other selected chips. 1646 * If it isn't, then select that chip. 1647 */ 1648 @Override 1649 public boolean onTouchEvent(MotionEvent event) { 1650 if (!isFocused()) { 1651 // Ignore any chip taps until this view is focused. 1652 return super.onTouchEvent(event); 1653 } 1654 boolean handled = super.onTouchEvent(event); 1655 int action = event.getAction(); 1656 boolean chipWasSelected = false; 1657 if (mSelectedChip == null) { 1658 mGestureDetector.onTouchEvent(event); 1659 } 1660 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1661 float x = event.getX(); 1662 float y = event.getY(); 1663 int offset = putOffsetInRange(x, y); 1664 DrawableRecipientChip currentChip = findChip(offset); 1665 if (currentChip != null) { 1666 if (action == MotionEvent.ACTION_UP) { 1667 if (mSelectedChip != null && mSelectedChip != currentChip) { 1668 clearSelectedChip(); 1669 mSelectedChip = selectChip(currentChip); 1670 } else if (mSelectedChip == null) { 1671 setSelection(getText().length()); 1672 commitDefault(); 1673 mSelectedChip = selectChip(currentChip); 1674 } else { 1675 onClick(mSelectedChip); 1676 } 1677 } 1678 chipWasSelected = true; 1679 handled = true; 1680 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1681 chipWasSelected = true; 1682 } 1683 } 1684 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1685 clearSelectedChip(); 1686 } 1687 return handled; 1688 } 1689 1690 private void scrollLineIntoView(int line) { 1691 if (mScrollView != null) { 1692 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1693 } 1694 } 1695 1696 private void showAlternates(final DrawableRecipientChip currentChip, 1697 final ListPopupWindow alternatesPopup) { 1698 new AsyncTask<Void, Void, ListAdapter>() { 1699 @Override 1700 protected ListAdapter doInBackground(final Void... params) { 1701 return createAlternatesAdapter(currentChip); 1702 } 1703 1704 @Override 1705 protected void onPostExecute(final ListAdapter result) { 1706 if (!mAttachedToWindow) { 1707 return; 1708 } 1709 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1710 int bottomOffset = calculateOffsetFromBottomToTop(line); 1711 1712 // Align the alternates popup with the left side of the View, 1713 // regardless of the position of the chip tapped. 1714 alternatesPopup.setAnchorView((mAlternatePopupAnchor != null) ? 1715 mAlternatePopupAnchor : RecipientEditTextView.this); 1716 alternatesPopup.setVerticalOffset(bottomOffset); 1717 alternatesPopup.setAdapter(result); 1718 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1719 // Clear the checked item. 1720 mCheckedItem = -1; 1721 alternatesPopup.show(); 1722 ListView listView = alternatesPopup.getListView(); 1723 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1724 // Checked item would be -1 if the adapter has not 1725 // loaded the view that should be checked yet. The 1726 // variable will be set correctly when onCheckedItemChanged 1727 // is called in a separate thread. 1728 if (mCheckedItem != -1) { 1729 listView.setItemChecked(mCheckedItem, true); 1730 mCheckedItem = -1; 1731 } 1732 } 1733 }.execute((Void[]) null); 1734 } 1735 1736 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1737 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1738 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1739 getAdapter().getQueryType(), this, mDropdownChipLayouter, 1740 constructStateListDeleteDrawable()); 1741 } 1742 1743 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1744 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1745 mDropdownChipLayouter, constructStateListDeleteDrawable()); 1746 } 1747 1748 private StateListDrawable constructStateListDeleteDrawable() { 1749 // Construct the StateListDrawable from deleteDrawable 1750 StateListDrawable deleteDrawable = new StateListDrawable(); 1751 if (!mDisableDelete) { 1752 deleteDrawable.addState(new int[]{android.R.attr.state_activated}, mChipDelete); 1753 } 1754 deleteDrawable.addState(new int[0], null); 1755 return deleteDrawable; 1756 } 1757 1758 @Override 1759 public void onCheckedItemChanged(int position) { 1760 ListView listView = mAlternatesPopup.getListView(); 1761 if (listView != null && listView.getCheckedItemCount() == 0) { 1762 listView.setItemChecked(position, true); 1763 } 1764 mCheckedItem = position; 1765 } 1766 1767 private int putOffsetInRange(final float x, final float y) { 1768 final int offset; 1769 1770 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1771 offset = getOffsetForPosition(x, y); 1772 } else { 1773 offset = supportGetOffsetForPosition(x, y); 1774 } 1775 1776 return putOffsetInRange(offset); 1777 } 1778 1779 // TODO: This algorithm will need a lot of tweaking after more people have used 1780 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1781 // what comes before the finger. 1782 private int putOffsetInRange(int o) { 1783 int offset = o; 1784 Editable text = getText(); 1785 int length = text.length(); 1786 // Remove whitespace from end to find "real end" 1787 int realLength = length; 1788 for (int i = length - 1; i >= 0; i--) { 1789 if (text.charAt(i) == ' ') { 1790 realLength--; 1791 } else { 1792 break; 1793 } 1794 } 1795 1796 // If the offset is beyond or at the end of the text, 1797 // leave it alone. 1798 if (offset >= realLength) { 1799 return offset; 1800 } 1801 Editable editable = getText(); 1802 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1803 // Keep walking backward! 1804 offset--; 1805 } 1806 return offset; 1807 } 1808 1809 private static int findText(Editable text, int offset) { 1810 if (text.charAt(offset) != ' ') { 1811 return offset; 1812 } 1813 return -1; 1814 } 1815 1816 private DrawableRecipientChip findChip(int offset) { 1817 DrawableRecipientChip[] chips = 1818 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1819 // Find the chip that contains this offset. 1820 for (int i = 0; i < chips.length; i++) { 1821 DrawableRecipientChip chip = chips[i]; 1822 int start = getChipStart(chip); 1823 int end = getChipEnd(chip); 1824 if (offset >= start && offset <= end) { 1825 return chip; 1826 } 1827 } 1828 return null; 1829 } 1830 1831 // Visible for testing. 1832 // Use this method to generate text to add to the list of addresses. 1833 /* package */String createAddressText(RecipientEntry entry) { 1834 String display = entry.getDisplayName(); 1835 String address = entry.getDestination(); 1836 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1837 display = null; 1838 } 1839 String trimmedDisplayText; 1840 if (isPhoneQuery() && isPhoneNumber(address)) { 1841 trimmedDisplayText = address.trim(); 1842 } else { 1843 if (address != null) { 1844 // Tokenize out the address in case the address already 1845 // contained the username as well. 1846 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1847 if (tokenized != null && tokenized.length > 0) { 1848 address = tokenized[0].getAddress(); 1849 } 1850 } 1851 Rfc822Token token = new Rfc822Token(display, address, null); 1852 trimmedDisplayText = token.toString().trim(); 1853 } 1854 int index = trimmedDisplayText.indexOf(","); 1855 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1856 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1857 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1858 } 1859 1860 // Visible for testing. 1861 // Use this method to generate text to display in a chip. 1862 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1863 String display = entry.getDisplayName(); 1864 String address = entry.getDestination(); 1865 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1866 display = null; 1867 } 1868 if (!TextUtils.isEmpty(display)) { 1869 return display; 1870 } else if (!TextUtils.isEmpty(address)){ 1871 return address; 1872 } else { 1873 return new Rfc822Token(display, address, null).toString(); 1874 } 1875 } 1876 1877 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1878 final String displayText = createAddressText(entry); 1879 if (TextUtils.isEmpty(displayText)) { 1880 return null; 1881 } 1882 // Always leave a blank space at the end of a chip. 1883 final int textLength = displayText.length() - 1; 1884 final SpannableString chipText = new SpannableString(displayText); 1885 if (!mNoChips) { 1886 try { 1887 DrawableRecipientChip chip = constructChipSpan(entry, pressed); 1888 chipText.setSpan(chip, 0, textLength, 1889 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1890 chip.setOriginalText(chipText.toString()); 1891 } catch (NullPointerException e) { 1892 Log.e(TAG, e.getMessage(), e); 1893 return null; 1894 } 1895 } 1896 onChipCreated(entry); 1897 return chipText; 1898 } 1899 1900 /** 1901 * A callback for subclasses to use to know when a chip was created with the 1902 * given RecipientEntry. 1903 */ 1904 protected void onChipCreated(RecipientEntry entry) {} 1905 1906 /** 1907 * When an item in the suggestions list has been clicked, create a chip from the 1908 * contact information of the selected item. 1909 */ 1910 @Override 1911 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1912 if (position < 0) { 1913 return; 1914 } 1915 1916 final int charactersTyped = submitItemAtPosition(position); 1917 if (charactersTyped > -1 && mRecipientEntryItemClickedListener != null) { 1918 mRecipientEntryItemClickedListener 1919 .onRecipientEntryItemClicked(charactersTyped, position); 1920 } 1921 } 1922 1923 private int submitItemAtPosition(int position) { 1924 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1925 if (entry == null) { 1926 return -1; 1927 } 1928 clearComposingText(); 1929 1930 int end = getSelectionEnd(); 1931 int start = mTokenizer.findTokenStart(getText(), end); 1932 1933 Editable editable = getText(); 1934 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1935 CharSequence chip = createChip(entry, false); 1936 if (chip != null && start >= 0 && end >= 0) { 1937 editable.replace(start, end, chip); 1938 } 1939 sanitizeBetween(); 1940 1941 return end - start; 1942 } 1943 1944 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1945 if (item == null) { 1946 return null; 1947 } 1948 final RecipientEntry entry; 1949 // If the display name and the address are the same, or if this is a 1950 // valid contact, but the destination is invalid, then make this a fake 1951 // recipient that is editable. 1952 String destination = item.getDestination(); 1953 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1954 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1955 destination, item.isValid()); 1956 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1957 && (TextUtils.isEmpty(item.getDisplayName()) 1958 || TextUtils.equals(item.getDisplayName(), destination) 1959 || (mValidator != null && !mValidator.isValid(destination)))) { 1960 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1961 } else { 1962 entry = item; 1963 } 1964 return entry; 1965 } 1966 1967 // Visible for testing. 1968 /* package */DrawableRecipientChip[] getSortedRecipients() { 1969 DrawableRecipientChip[] recips = getSpannable() 1970 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1971 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1972 Arrays.asList(recips)); 1973 final Spannable spannable = getSpannable(); 1974 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1975 1976 @Override 1977 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1978 int firstStart = spannable.getSpanStart(first); 1979 int secondStart = spannable.getSpanStart(second); 1980 if (firstStart < secondStart) { 1981 return -1; 1982 } else if (firstStart > secondStart) { 1983 return 1; 1984 } else { 1985 return 0; 1986 } 1987 } 1988 }); 1989 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1990 } 1991 1992 @Override 1993 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1994 return false; 1995 } 1996 1997 @Override 1998 public void onDestroyActionMode(ActionMode mode) { 1999 } 2000 2001 @Override 2002 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 2003 return false; 2004 } 2005 2006 /** 2007 * No chips are selectable. 2008 */ 2009 @Override 2010 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 2011 return false; 2012 } 2013 2014 // Visible for testing. 2015 /* package */ReplacementDrawableSpan getMoreChip() { 2016 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 2017 MoreImageSpan.class); 2018 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 2019 } 2020 2021 private MoreImageSpan createMoreSpan(int count) { 2022 String moreText = String.format(mMoreItem.getText().toString(), count); 2023 mWorkPaint.set(getPaint()); 2024 mWorkPaint.setTextSize(mMoreItem.getTextSize()); 2025 mWorkPaint.setColor(mMoreItem.getCurrentTextColor()); 2026 final int width = (int) mWorkPaint.measureText(moreText) + mMoreItem.getPaddingLeft() 2027 + mMoreItem.getPaddingRight(); 2028 final int height = (int) mChipHeight; 2029 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 2030 Canvas canvas = new Canvas(drawable); 2031 int adjustedHeight = height; 2032 Layout layout = getLayout(); 2033 if (layout != null) { 2034 adjustedHeight -= layout.getLineDescent(0); 2035 } 2036 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, mWorkPaint); 2037 2038 Drawable result = new BitmapDrawable(getResources(), drawable); 2039 result.setBounds(0, 0, width, height); 2040 return new MoreImageSpan(result); 2041 } 2042 2043 // Visible for testing. 2044 /*package*/ void createMoreChipPlainText() { 2045 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 2046 Editable text = getText(); 2047 int start = 0; 2048 int end = start; 2049 for (int i = 0; i < CHIP_LIMIT; i++) { 2050 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2051 start = end; // move to the next token and get its end. 2052 } 2053 // Now, count total addresses. 2054 start = 0; 2055 int tokenCount = countTokens(text); 2056 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 2057 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 2058 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2059 text.replace(end, text.length(), chipText); 2060 mMoreChip = moreSpan; 2061 } 2062 2063 // Visible for testing. 2064 /* package */int countTokens(Editable text) { 2065 int tokenCount = 0; 2066 int start = 0; 2067 while (start < text.length()) { 2068 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2069 tokenCount++; 2070 if (start >= text.length()) { 2071 break; 2072 } 2073 } 2074 return tokenCount; 2075 } 2076 2077 /** 2078 * Create the more chip. The more chip is text that replaces any chips that 2079 * do not fit in the pre-defined available space when the 2080 * RecipientEditTextView loses focus. 2081 */ 2082 // Visible for testing. 2083 /* package */ void createMoreChip() { 2084 if (mNoChips) { 2085 createMoreChipPlainText(); 2086 return; 2087 } 2088 2089 if (!mShouldShrink) { 2090 return; 2091 } 2092 ReplacementDrawableSpan[] tempMore = getSpannable().getSpans(0, getText().length(), 2093 MoreImageSpan.class); 2094 if (tempMore.length > 0) { 2095 getSpannable().removeSpan(tempMore[0]); 2096 } 2097 DrawableRecipientChip[] recipients = getSortedRecipients(); 2098 2099 if (recipients == null || recipients.length <= CHIP_LIMIT) { 2100 mMoreChip = null; 2101 return; 2102 } 2103 Spannable spannable = getSpannable(); 2104 int numRecipients = recipients.length; 2105 int overage = numRecipients - CHIP_LIMIT; 2106 MoreImageSpan moreSpan = createMoreSpan(overage); 2107 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 2108 int totalReplaceStart = 0; 2109 int totalReplaceEnd = 0; 2110 Editable text = getText(); 2111 for (int i = numRecipients - overage; i < recipients.length; i++) { 2112 mRemovedSpans.add(recipients[i]); 2113 if (i == numRecipients - overage) { 2114 totalReplaceStart = spannable.getSpanStart(recipients[i]); 2115 } 2116 if (i == recipients.length - 1) { 2117 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 2118 } 2119 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 2120 int spanStart = spannable.getSpanStart(recipients[i]); 2121 int spanEnd = spannable.getSpanEnd(recipients[i]); 2122 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 2123 } 2124 spannable.removeSpan(recipients[i]); 2125 } 2126 if (totalReplaceEnd < text.length()) { 2127 totalReplaceEnd = text.length(); 2128 } 2129 int end = Math.max(totalReplaceStart, totalReplaceEnd); 2130 int start = Math.min(totalReplaceStart, totalReplaceEnd); 2131 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 2132 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2133 text.replace(start, end, chipText); 2134 mMoreChip = moreSpan; 2135 // If adding the +more chip goes over the limit, resize accordingly. 2136 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2137 setMaxLines(getLineCount()); 2138 } 2139 } 2140 2141 /** 2142 * Replace the more chip, if it exists, with all of the recipient chips it had 2143 * replaced when the RecipientEditTextView gains focus. 2144 */ 2145 // Visible for testing. 2146 /*package*/ void removeMoreChip() { 2147 if (mMoreChip != null) { 2148 Spannable span = getSpannable(); 2149 span.removeSpan(mMoreChip); 2150 mMoreChip = null; 2151 // Re-add the spans that were removed. 2152 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2153 // Recreate each removed span. 2154 DrawableRecipientChip[] recipients = getSortedRecipients(); 2155 // Start the search for tokens after the last currently visible 2156 // chip. 2157 if (recipients == null || recipients.length == 0) { 2158 return; 2159 } 2160 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2161 Editable editable = getText(); 2162 for (DrawableRecipientChip chip : mRemovedSpans) { 2163 int chipStart; 2164 int chipEnd; 2165 String token; 2166 // Need to find the location of the chip, again. 2167 token = (String) chip.getOriginalText(); 2168 // As we find the matching recipient for the remove spans, 2169 // reduce the size of the string we need to search. 2170 // That way, if there are duplicates, we always find the correct 2171 // recipient. 2172 chipStart = editable.toString().indexOf(token, end); 2173 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2174 // Only set the span if we found a matching token. 2175 if (chipStart != -1) { 2176 editable.setSpan(chip, chipStart, chipEnd, 2177 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2178 } 2179 } 2180 mRemovedSpans.clear(); 2181 } 2182 } 2183 } 2184 2185 /** 2186 * Show specified chip as selected. If the RecipientChip is just an email address, 2187 * selecting the chip will take the contents of the chip and place it at 2188 * the end of the RecipientEditTextView for inline editing. If the 2189 * RecipientChip is a complete contact, then selecting the chip 2190 * will change the background color of the chip, show the delete icon, 2191 * and a popup window with the address in use highlighted and any other 2192 * alternate addresses for the contact. 2193 * @param currentChip Chip to select. 2194 * @return A RecipientChip in the selected state or null if the chip 2195 * just contained an email address. 2196 */ 2197 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2198 if (shouldShowEditableText(currentChip)) { 2199 CharSequence text = currentChip.getValue(); 2200 Editable editable = getText(); 2201 Spannable spannable = getSpannable(); 2202 int spanStart = spannable.getSpanStart(currentChip); 2203 int spanEnd = spannable.getSpanEnd(currentChip); 2204 spannable.removeSpan(currentChip); 2205 // Don't need leading space if it's the only chip 2206 if (spanEnd - spanStart == editable.length() - 1) { 2207 spanEnd++; 2208 } 2209 editable.delete(spanStart, spanEnd); 2210 setCursorVisible(true); 2211 setSelection(editable.length()); 2212 editable.append(text); 2213 return constructChipSpan( 2214 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2215 true); 2216 } else { 2217 int start = getChipStart(currentChip); 2218 int end = getChipEnd(currentChip); 2219 getSpannable().removeSpan(currentChip); 2220 DrawableRecipientChip newChip; 2221 final boolean showAddress = 2222 currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT || 2223 getAdapter().forceShowAddress(); 2224 try { 2225 if (showAddress && mNoChips) { 2226 return null; 2227 } 2228 newChip = constructChipSpan(currentChip.getEntry(), true); 2229 } catch (NullPointerException e) { 2230 Log.e(TAG, e.getMessage(), e); 2231 return null; 2232 } 2233 Editable editable = getText(); 2234 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2235 if (start == -1 || end == -1) { 2236 Log.d(TAG, "The chip being selected no longer exists but should."); 2237 } else { 2238 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2239 } 2240 newChip.setSelected(true); 2241 if (shouldShowEditableText(newChip)) { 2242 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2243 } 2244 if (showAddress) { 2245 showAddress(newChip, mAddressPopup); 2246 } else { 2247 showAlternates(newChip, mAlternatesPopup); 2248 } 2249 setCursorVisible(false); 2250 return newChip; 2251 } 2252 } 2253 2254 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2255 long contactId = currentChip.getContactId(); 2256 return contactId == RecipientEntry.INVALID_CONTACT 2257 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2258 } 2259 2260 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup) { 2261 if (!mAttachedToWindow) { 2262 return; 2263 } 2264 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2265 int bottomOffset = calculateOffsetFromBottomToTop(line); 2266 // Align the alternates popup with the left side of the View, 2267 // regardless of the position of the chip tapped. 2268 popup.setAnchorView((mAlternatePopupAnchor != null) ? mAlternatePopupAnchor : this); 2269 popup.setVerticalOffset(bottomOffset); 2270 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2271 popup.setOnItemClickListener(new OnItemClickListener() { 2272 @Override 2273 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2274 unselectChip(currentChip); 2275 } 2276 }); 2277 popup.show(); 2278 ListView listView = popup.getListView(); 2279 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2280 listView.setItemChecked(0, true); 2281 } 2282 2283 /** 2284 * Remove selection from this chip. Unselecting a RecipientChip will render 2285 * the chip without a delete icon and with an unfocused background. This is 2286 * called when the RecipientChip no longer has focus. 2287 */ 2288 private void unselectChip(DrawableRecipientChip chip) { 2289 int start = getChipStart(chip); 2290 int end = getChipEnd(chip); 2291 Editable editable = getText(); 2292 mSelectedChip = null; 2293 if (start == -1 || end == -1) { 2294 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2295 setSelection(editable.length()); 2296 commitDefault(); 2297 } else { 2298 getSpannable().removeSpan(chip); 2299 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2300 editable.removeSpan(chip); 2301 try { 2302 if (!mNoChips) { 2303 editable.setSpan(constructChipSpan(chip.getEntry(), false), 2304 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2305 } 2306 } catch (NullPointerException e) { 2307 Log.e(TAG, e.getMessage(), e); 2308 } 2309 } 2310 setCursorVisible(true); 2311 setSelection(editable.length()); 2312 dismissPopups(); 2313 } 2314 2315 @Override 2316 public void onChipDelete() { 2317 if (mSelectedChip != null) { 2318 removeChip(mSelectedChip); 2319 } 2320 dismissPopups(); 2321 } 2322 2323 private void dismissPopups() { 2324 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2325 mAlternatesPopup.dismiss(); 2326 } 2327 if (mAddressPopup != null && mAddressPopup.isShowing()) { 2328 mAddressPopup.dismiss(); 2329 } 2330 } 2331 2332 /** 2333 * Remove the chip and any text associated with it from the RecipientEditTextView. 2334 */ 2335 // Visible for testing. 2336 /* package */void removeChip(DrawableRecipientChip chip) { 2337 Spannable spannable = getSpannable(); 2338 int spanStart = spannable.getSpanStart(chip); 2339 int spanEnd = spannable.getSpanEnd(chip); 2340 Editable text = getText(); 2341 int toDelete = spanEnd; 2342 boolean wasSelected = chip == mSelectedChip; 2343 // Clear that there is a selected chip before updating any text. 2344 if (wasSelected) { 2345 mSelectedChip = null; 2346 } 2347 // Always remove trailing spaces when removing a chip. 2348 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2349 toDelete++; 2350 } 2351 spannable.removeSpan(chip); 2352 if (spanStart >= 0 && toDelete > 0) { 2353 text.delete(spanStart, toDelete); 2354 } 2355 if (wasSelected) { 2356 clearSelectedChip(); 2357 } 2358 } 2359 2360 /** 2361 * Replace this currently selected chip with a new chip 2362 * that uses the contact data provided. 2363 */ 2364 // Visible for testing. 2365 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2366 boolean wasSelected = chip == mSelectedChip; 2367 if (wasSelected) { 2368 mSelectedChip = null; 2369 } 2370 int start = getChipStart(chip); 2371 int end = getChipEnd(chip); 2372 getSpannable().removeSpan(chip); 2373 Editable editable = getText(); 2374 CharSequence chipText = createChip(entry, false); 2375 if (chipText != null) { 2376 if (start == -1 || end == -1) { 2377 Log.e(TAG, "The chip to replace does not exist but should."); 2378 editable.insert(0, chipText); 2379 } else { 2380 if (!TextUtils.isEmpty(chipText)) { 2381 // There may be a space to replace with this chip's new 2382 // associated space. Check for it 2383 int toReplace = end; 2384 while (toReplace >= 0 && toReplace < editable.length() 2385 && editable.charAt(toReplace) == ' ') { 2386 toReplace++; 2387 } 2388 editable.replace(start, toReplace, chipText); 2389 } 2390 } 2391 } 2392 setCursorVisible(true); 2393 if (wasSelected) { 2394 clearSelectedChip(); 2395 } 2396 } 2397 2398 /** 2399 * Handle click events for a chip. When a selected chip receives a click 2400 * event, see if that event was in the delete icon. If so, delete it. 2401 * Otherwise, unselect the chip. 2402 */ 2403 public void onClick(DrawableRecipientChip chip) { 2404 if (chip.isSelected()) { 2405 clearSelectedChip(); 2406 } 2407 } 2408 2409 private boolean chipsPending() { 2410 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2411 } 2412 2413 @Override 2414 public void removeTextChangedListener(TextWatcher watcher) { 2415 mTextWatcher = null; 2416 super.removeTextChangedListener(watcher); 2417 } 2418 2419 private boolean isValidEmailAddress(String input) { 2420 return !TextUtils.isEmpty(input) && mValidator != null && 2421 mValidator.isValid(input); 2422 } 2423 2424 private class RecipientTextWatcher implements TextWatcher { 2425 2426 @Override 2427 public void afterTextChanged(Editable s) { 2428 // If the text has been set to null or empty, make sure we remove 2429 // all the spans we applied. 2430 if (TextUtils.isEmpty(s)) { 2431 // Remove all the chips spans. 2432 Spannable spannable = getSpannable(); 2433 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2434 DrawableRecipientChip.class); 2435 for (DrawableRecipientChip chip : chips) { 2436 spannable.removeSpan(chip); 2437 } 2438 if (mMoreChip != null) { 2439 spannable.removeSpan(mMoreChip); 2440 } 2441 clearSelectedChip(); 2442 return; 2443 } 2444 // Get whether there are any recipients pending addition to the 2445 // view. If there are, don't do anything in the text watcher. 2446 if (chipsPending()) { 2447 return; 2448 } 2449 // If the user is editing a chip, don't clear it. 2450 if (mSelectedChip != null) { 2451 if (!isGeneratedContact(mSelectedChip)) { 2452 setCursorVisible(true); 2453 setSelection(getText().length()); 2454 clearSelectedChip(); 2455 } else { 2456 return; 2457 } 2458 } 2459 int length = s.length(); 2460 // Make sure there is content there to parse and that it is 2461 // not just the commit character. 2462 if (length > 1) { 2463 if (lastCharacterIsCommitCharacter(s)) { 2464 commitByCharacter(); 2465 return; 2466 } 2467 char last; 2468 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2469 int len = length() - 1; 2470 if (end != len) { 2471 last = s.charAt(end); 2472 } else { 2473 last = s.charAt(len); 2474 } 2475 if (last == COMMIT_CHAR_SPACE) { 2476 if (!isPhoneQuery()) { 2477 // Check if this is a valid email address. If it is, 2478 // commit it. 2479 String text = getText().toString(); 2480 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2481 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2482 tokenStart)); 2483 if (isValidEmailAddress(sub)) { 2484 commitByCharacter(); 2485 } 2486 } 2487 } 2488 } 2489 } 2490 2491 @Override 2492 public void onTextChanged(CharSequence s, int start, int before, int count) { 2493 // The user deleted some text OR some text was replaced; check to 2494 // see if the insertion point is on a space 2495 // following a chip. 2496 if (before - count == 1) { 2497 // If the item deleted is a space, and the thing before the 2498 // space is a chip, delete the entire span. 2499 int selStart = getSelectionStart(); 2500 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2501 DrawableRecipientChip.class); 2502 if (repl.length > 0) { 2503 // There is a chip there! Just remove it. 2504 Editable editable = getText(); 2505 // Add the separator token. 2506 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2507 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2508 tokenEnd = tokenEnd + 1; 2509 if (tokenEnd > editable.length()) { 2510 tokenEnd = editable.length(); 2511 } 2512 editable.delete(tokenStart, tokenEnd); 2513 getSpannable().removeSpan(repl[0]); 2514 } 2515 } else if (count > before) { 2516 if (mSelectedChip != null 2517 && isGeneratedContact(mSelectedChip)) { 2518 if (lastCharacterIsCommitCharacter(s)) { 2519 commitByCharacter(); 2520 return; 2521 } 2522 } 2523 } 2524 } 2525 2526 @Override 2527 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2528 // Do nothing. 2529 } 2530 } 2531 2532 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2533 char last; 2534 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2535 int len = length() - 1; 2536 if (end != len) { 2537 last = s.charAt(end); 2538 } else { 2539 last = s.charAt(len); 2540 } 2541 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2542 } 2543 2544 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2545 long contactId = chip.getContactId(); 2546 return contactId == RecipientEntry.INVALID_CONTACT 2547 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2548 } 2549 2550 /** 2551 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2552 */ 2553 // Visible for testing. 2554 void handlePasteClip(ClipData clip) { 2555 if (clip == null) { 2556 // Do nothing. 2557 return; 2558 } 2559 2560 final ClipDescription clipDesc = clip.getDescription(); 2561 boolean containsSupportedType = clipDesc.hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN) || 2562 clipDesc.hasMimeType(ClipDescription.MIMETYPE_TEXT_HTML); 2563 if (!containsSupportedType) { 2564 return; 2565 } 2566 2567 removeTextChangedListener(mTextWatcher); 2568 2569 final ClipDescription clipDescription = clip.getDescription(); 2570 for (int i = 0; i < clip.getItemCount(); i++) { 2571 final String mimeType = clipDescription.getMimeType(i); 2572 final boolean supportedType = ClipDescription.MIMETYPE_TEXT_PLAIN.equals(mimeType) || 2573 ClipDescription.MIMETYPE_TEXT_HTML.equals(mimeType); 2574 if (!supportedType) { 2575 // Only plain text and html can be pasted. 2576 continue; 2577 } 2578 2579 final CharSequence pastedItem = clip.getItemAt(i).getText(); 2580 if (!TextUtils.isEmpty(pastedItem)) { 2581 final Editable editable = getText(); 2582 final int start = getSelectionStart(); 2583 final int end = getSelectionEnd(); 2584 if (start < 0 || end < 1) { 2585 // No selection. 2586 editable.append(pastedItem); 2587 } else if (start == end) { 2588 // Insert at position. 2589 editable.insert(start, pastedItem); 2590 } else { 2591 editable.append(pastedItem, start, end); 2592 } 2593 handlePasteAndReplace(); 2594 } 2595 } 2596 2597 mHandler.post(mAddTextWatcher); 2598 } 2599 2600 @Override 2601 public boolean onTextContextMenuItem(int id) { 2602 if (id == android.R.id.paste) { 2603 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2604 Context.CLIPBOARD_SERVICE); 2605 handlePasteClip(clipboard.getPrimaryClip()); 2606 return true; 2607 } 2608 return super.onTextContextMenuItem(id); 2609 } 2610 2611 private void handlePasteAndReplace() { 2612 ArrayList<DrawableRecipientChip> created = handlePaste(); 2613 if (created != null && created.size() > 0) { 2614 // Perform reverse lookups on the pasted contacts. 2615 IndividualReplacementTask replace = new IndividualReplacementTask(); 2616 replace.execute(created); 2617 } 2618 } 2619 2620 // Visible for testing. 2621 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2622 String text = getText().toString(); 2623 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2624 String lastAddress = text.substring(originalTokenStart); 2625 int tokenStart = originalTokenStart; 2626 int prevTokenStart = 0; 2627 DrawableRecipientChip findChip = null; 2628 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2629 if (tokenStart != 0) { 2630 // There are things before this! 2631 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2632 prevTokenStart = tokenStart; 2633 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2634 findChip = findChip(tokenStart); 2635 if (tokenStart == originalTokenStart && findChip == null) { 2636 break; 2637 } 2638 } 2639 if (tokenStart != originalTokenStart) { 2640 if (findChip != null) { 2641 tokenStart = prevTokenStart; 2642 } 2643 int tokenEnd; 2644 DrawableRecipientChip createdChip; 2645 while (tokenStart < originalTokenStart) { 2646 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2647 tokenStart)); 2648 commitChip(tokenStart, tokenEnd, getText()); 2649 createdChip = findChip(tokenStart); 2650 if (createdChip == null) { 2651 break; 2652 } 2653 // +1 for the space at the end. 2654 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2655 created.add(createdChip); 2656 } 2657 } 2658 } 2659 // Take a look at the last token. If the token has been completed with a 2660 // commit character, create a chip. 2661 if (isCompletedToken(lastAddress)) { 2662 Editable editable = getText(); 2663 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2664 commitChip(tokenStart, editable.length(), editable); 2665 created.add(findChip(tokenStart)); 2666 } 2667 return created; 2668 } 2669 2670 // Visible for testing. 2671 /* package */int movePastTerminators(int tokenEnd) { 2672 if (tokenEnd >= length()) { 2673 return tokenEnd; 2674 } 2675 char atEnd = getText().toString().charAt(tokenEnd); 2676 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2677 tokenEnd++; 2678 } 2679 // This token had not only an end token character, but also a space 2680 // separating it from the next token. 2681 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2682 tokenEnd++; 2683 } 2684 return tokenEnd; 2685 } 2686 2687 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2688 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2689 try { 2690 if (mNoChips) { 2691 return null; 2692 } 2693 return constructChipSpan(entry, false); 2694 } catch (NullPointerException e) { 2695 Log.e(TAG, e.getMessage(), e); 2696 return null; 2697 } 2698 } 2699 2700 @Override 2701 protected void onPreExecute() { 2702 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2703 // replaced 2704 final List<DrawableRecipientChip> originalRecipients = 2705 new ArrayList<DrawableRecipientChip>(); 2706 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2707 for (int i = 0; i < existingChips.length; i++) { 2708 originalRecipients.add(existingChips[i]); 2709 } 2710 if (mRemovedSpans != null) { 2711 originalRecipients.addAll(mRemovedSpans); 2712 } 2713 2714 final List<DrawableRecipientChip> replacements = 2715 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2716 2717 for (final DrawableRecipientChip chip : originalRecipients) { 2718 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2719 && getSpannable().getSpanStart(chip) != -1) { 2720 replacements.add(createFreeChip(chip.getEntry())); 2721 } else { 2722 replacements.add(null); 2723 } 2724 } 2725 2726 processReplacements(originalRecipients, replacements); 2727 } 2728 2729 @Override 2730 protected Void doInBackground(Void... params) { 2731 if (mIndividualReplacements != null) { 2732 mIndividualReplacements.cancel(true); 2733 } 2734 // For each chip in the list, look up the matching contact. 2735 // If there is a match, replace that chip with the matching 2736 // chip. 2737 final ArrayList<DrawableRecipientChip> recipients = 2738 new ArrayList<DrawableRecipientChip>(); 2739 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2740 for (int i = 0; i < existingChips.length; i++) { 2741 recipients.add(existingChips[i]); 2742 } 2743 if (mRemovedSpans != null) { 2744 recipients.addAll(mRemovedSpans); 2745 } 2746 ArrayList<String> addresses = new ArrayList<String>(); 2747 DrawableRecipientChip chip; 2748 for (int i = 0; i < recipients.size(); i++) { 2749 chip = recipients.get(i); 2750 if (chip != null) { 2751 addresses.add(createAddressText(chip.getEntry())); 2752 } 2753 } 2754 final BaseRecipientAdapter adapter = getAdapter(); 2755 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2756 @Override 2757 public void matchesFound(Map<String, RecipientEntry> entries) { 2758 final ArrayList<DrawableRecipientChip> replacements = 2759 new ArrayList<DrawableRecipientChip>(); 2760 for (final DrawableRecipientChip temp : recipients) { 2761 RecipientEntry entry = null; 2762 if (temp != null && RecipientEntry.isCreatedRecipient( 2763 temp.getEntry().getContactId()) 2764 && getSpannable().getSpanStart(temp) != -1) { 2765 // Replace this. 2766 entry = createValidatedEntry( 2767 entries.get(tokenizeAddress(temp.getEntry() 2768 .getDestination()))); 2769 } 2770 if (entry != null) { 2771 replacements.add(createFreeChip(entry)); 2772 } else { 2773 replacements.add(null); 2774 } 2775 } 2776 processReplacements(recipients, replacements); 2777 } 2778 2779 @Override 2780 public void matchesNotFound(final Set<String> unfoundAddresses) { 2781 final List<DrawableRecipientChip> replacements = 2782 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2783 2784 for (final DrawableRecipientChip temp : recipients) { 2785 if (temp != null && RecipientEntry.isCreatedRecipient( 2786 temp.getEntry().getContactId()) 2787 && getSpannable().getSpanStart(temp) != -1) { 2788 if (unfoundAddresses.contains( 2789 temp.getEntry().getDestination())) { 2790 replacements.add(createFreeChip(temp.getEntry())); 2791 } else { 2792 replacements.add(null); 2793 } 2794 } else { 2795 replacements.add(null); 2796 } 2797 } 2798 2799 processReplacements(recipients, replacements); 2800 } 2801 }); 2802 return null; 2803 } 2804 2805 private void processReplacements(final List<DrawableRecipientChip> recipients, 2806 final List<DrawableRecipientChip> replacements) { 2807 if (replacements != null && replacements.size() > 0) { 2808 final Runnable runnable = new Runnable() { 2809 @Override 2810 public void run() { 2811 final Editable text = new SpannableStringBuilder(getText()); 2812 int i = 0; 2813 for (final DrawableRecipientChip chip : recipients) { 2814 final DrawableRecipientChip replacement = replacements.get(i); 2815 if (replacement != null) { 2816 final RecipientEntry oldEntry = chip.getEntry(); 2817 final RecipientEntry newEntry = replacement.getEntry(); 2818 final boolean isBetter = 2819 RecipientAlternatesAdapter.getBetterRecipient( 2820 oldEntry, newEntry) == newEntry; 2821 2822 if (isBetter) { 2823 // Find the location of the chip in the text currently shown. 2824 final int start = text.getSpanStart(chip); 2825 if (start != -1) { 2826 // Replacing the entirety of what the chip represented, 2827 // including the extra space dividing it from other chips. 2828 final int end = 2829 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2830 text.removeSpan(chip); 2831 // Make sure we always have just 1 space at the end to 2832 // separate this chip from the next chip. 2833 final SpannableString displayText = 2834 new SpannableString(createAddressText( 2835 replacement.getEntry()).trim() + " "); 2836 displayText.setSpan(replacement, 0, 2837 displayText.length() - 1, 2838 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2839 // Replace the old text we found with with the new display 2840 // text, which now may also contain the display name of the 2841 // recipient. 2842 text.replace(start, end, displayText); 2843 replacement.setOriginalText(displayText.toString()); 2844 replacements.set(i, null); 2845 2846 recipients.set(i, replacement); 2847 } 2848 } 2849 } 2850 i++; 2851 } 2852 setText(text); 2853 } 2854 }; 2855 2856 if (Looper.myLooper() == Looper.getMainLooper()) { 2857 runnable.run(); 2858 } else { 2859 mHandler.post(runnable); 2860 } 2861 } 2862 } 2863 } 2864 2865 private class IndividualReplacementTask 2866 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2867 @Override 2868 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2869 // For each chip in the list, look up the matching contact. 2870 // If there is a match, replace that chip with the matching 2871 // chip. 2872 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2873 ArrayList<String> addresses = new ArrayList<String>(); 2874 DrawableRecipientChip chip; 2875 for (int i = 0; i < originalRecipients.size(); i++) { 2876 chip = originalRecipients.get(i); 2877 if (chip != null) { 2878 addresses.add(createAddressText(chip.getEntry())); 2879 } 2880 } 2881 final BaseRecipientAdapter adapter = getAdapter(); 2882 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2883 2884 @Override 2885 public void matchesFound(Map<String, RecipientEntry> entries) { 2886 for (final DrawableRecipientChip temp : originalRecipients) { 2887 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2888 .getContactId()) 2889 && getSpannable().getSpanStart(temp) != -1) { 2890 // Replace this. 2891 final RecipientEntry entry = createValidatedEntry(entries 2892 .get(tokenizeAddress(temp.getEntry().getDestination()) 2893 .toLowerCase())); 2894 if (entry != null) { 2895 mHandler.post(new Runnable() { 2896 @Override 2897 public void run() { 2898 replaceChip(temp, entry); 2899 } 2900 }); 2901 } 2902 } 2903 } 2904 } 2905 2906 @Override 2907 public void matchesNotFound(final Set<String> unfoundAddresses) { 2908 // No action required 2909 } 2910 }); 2911 return null; 2912 } 2913 } 2914 2915 2916 /** 2917 * MoreImageSpan is a simple class created for tracking the existence of a 2918 * more chip across activity restarts/ 2919 */ 2920 private class MoreImageSpan extends ReplacementDrawableSpan { 2921 public MoreImageSpan(Drawable b) { 2922 super(b); 2923 setExtraMargin(mLineSpacingExtra); 2924 } 2925 } 2926 2927 @Override 2928 public boolean onDown(MotionEvent e) { 2929 return false; 2930 } 2931 2932 @Override 2933 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2934 // Do nothing. 2935 return false; 2936 } 2937 2938 @Override 2939 public void onLongPress(MotionEvent event) { 2940 if (mSelectedChip != null) { 2941 return; 2942 } 2943 float x = event.getX(); 2944 float y = event.getY(); 2945 final int offset = putOffsetInRange(x, y); 2946 DrawableRecipientChip currentChip = findChip(offset); 2947 if (currentChip != null) { 2948 if (mDragEnabled) { 2949 // Start drag-and-drop for the selected chip. 2950 startDrag(currentChip); 2951 } else { 2952 // Copy the selected chip email address. 2953 showCopyDialog(currentChip.getEntry().getDestination()); 2954 } 2955 } 2956 } 2957 2958 // The following methods are used to provide some functionality on older versions of Android 2959 // These methods were copied out of JB MR2's TextView 2960 ///////////////////////////////////////////////// 2961 private int supportGetOffsetForPosition(float x, float y) { 2962 if (getLayout() == null) return -1; 2963 final int line = supportGetLineAtCoordinate(y); 2964 final int offset = supportGetOffsetAtCoordinate(line, x); 2965 return offset; 2966 } 2967 2968 private float supportConvertToLocalHorizontalCoordinate(float x) { 2969 x -= getTotalPaddingLeft(); 2970 // Clamp the position to inside of the view. 2971 x = Math.max(0.0f, x); 2972 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2973 x += getScrollX(); 2974 return x; 2975 } 2976 2977 private int supportGetLineAtCoordinate(float y) { 2978 y -= getTotalPaddingLeft(); 2979 // Clamp the position to inside of the view. 2980 y = Math.max(0.0f, y); 2981 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2982 y += getScrollY(); 2983 return getLayout().getLineForVertical((int) y); 2984 } 2985 2986 private int supportGetOffsetAtCoordinate(int line, float x) { 2987 x = supportConvertToLocalHorizontalCoordinate(x); 2988 return getLayout().getOffsetForHorizontal(line, x); 2989 } 2990 ///////////////////////////////////////////////// 2991 2992 /** 2993 * Enables drag-and-drop for chips. 2994 */ 2995 public void enableDrag() { 2996 mDragEnabled = true; 2997 } 2998 2999 /** 3000 * Starts drag-and-drop for the selected chip. 3001 */ 3002 private void startDrag(DrawableRecipientChip currentChip) { 3003 String address = currentChip.getEntry().getDestination(); 3004 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 3005 3006 // Start drag mode. 3007 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 3008 3009 // Remove the current chip, so drag-and-drop will result in a move. 3010 // TODO (phamm): consider readd this chip if it's dropped outside a target. 3011 removeChip(currentChip); 3012 } 3013 3014 /** 3015 * Handles drag event. 3016 */ 3017 @Override 3018 public boolean onDragEvent(DragEvent event) { 3019 switch (event.getAction()) { 3020 case DragEvent.ACTION_DRAG_STARTED: 3021 // Only handle plain text drag and drop. 3022 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 3023 case DragEvent.ACTION_DRAG_ENTERED: 3024 requestFocus(); 3025 return true; 3026 case DragEvent.ACTION_DROP: 3027 handlePasteClip(event.getClipData()); 3028 return true; 3029 } 3030 return false; 3031 } 3032 3033 /** 3034 * Drag shadow for a {@link DrawableRecipientChip}. 3035 */ 3036 private final class RecipientChipShadow extends DragShadowBuilder { 3037 private final DrawableRecipientChip mChip; 3038 3039 public RecipientChipShadow(DrawableRecipientChip chip) { 3040 mChip = chip; 3041 } 3042 3043 @Override 3044 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 3045 Rect rect = mChip.getBounds(); 3046 shadowSize.set(rect.width(), rect.height()); 3047 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 3048 } 3049 3050 @Override 3051 public void onDrawShadow(Canvas canvas) { 3052 mChip.draw(canvas); 3053 } 3054 } 3055 3056 private void showCopyDialog(final String address) { 3057 if (!mAttachedToWindow) { 3058 return; 3059 } 3060 mCopyAddress = address; 3061 mCopyDialog.setTitle(address); 3062 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 3063 mCopyDialog.setCancelable(true); 3064 mCopyDialog.setCanceledOnTouchOutside(true); 3065 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 3066 button.setOnClickListener(this); 3067 int btnTitleId; 3068 if (isPhoneQuery()) { 3069 btnTitleId = R.string.copy_number; 3070 } else { 3071 btnTitleId = R.string.copy_email; 3072 } 3073 String buttonTitle = getContext().getResources().getString(btnTitleId); 3074 button.setText(buttonTitle); 3075 mCopyDialog.setOnDismissListener(this); 3076 mCopyDialog.show(); 3077 } 3078 3079 @Override 3080 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 3081 // Do nothing. 3082 return false; 3083 } 3084 3085 @Override 3086 public void onShowPress(MotionEvent e) { 3087 // Do nothing. 3088 } 3089 3090 @Override 3091 public boolean onSingleTapUp(MotionEvent e) { 3092 // Do nothing. 3093 return false; 3094 } 3095 3096 @Override 3097 public void onDismiss(DialogInterface dialog) { 3098 mCopyAddress = null; 3099 } 3100 3101 @Override 3102 public void onClick(View v) { 3103 // Copy this to the clipboard. 3104 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 3105 Context.CLIPBOARD_SERVICE); 3106 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 3107 mCopyDialog.dismiss(); 3108 } 3109 3110 protected boolean isPhoneQuery() { 3111 return getAdapter() != null 3112 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 3113 } 3114 3115 @Override 3116 public BaseRecipientAdapter getAdapter() { 3117 return (BaseRecipientAdapter) super.getAdapter(); 3118 } 3119 3120 /** 3121 * Append a new {@link RecipientEntry} to the end of the recipient chips, leaving any 3122 * unfinished text at the end. 3123 */ 3124 public void appendRecipientEntry(final RecipientEntry entry) { 3125 clearComposingText(); 3126 3127 final Editable editable = getText(); 3128 int chipInsertionPoint = 0; 3129 3130 // Find the end of last chip and see if there's any unchipified text. 3131 final DrawableRecipientChip[] recips = getSortedRecipients(); 3132 if (recips != null && recips.length > 0) { 3133 final DrawableRecipientChip last = recips[recips.length - 1]; 3134 // The chip will be inserted at the end of last chip + 1. All the unfinished text after 3135 // the insertion point will be kept untouched. 3136 chipInsertionPoint = editable.getSpanEnd(last) + 1; 3137 } 3138 3139 final CharSequence chip = createChip(entry, false); 3140 if (chip != null) { 3141 editable.insert(chipInsertionPoint, chip); 3142 } 3143 } 3144 3145 /** 3146 * Remove all chips matching the given RecipientEntry. 3147 */ 3148 public void removeRecipientEntry(final RecipientEntry entry) { 3149 final DrawableRecipientChip[] recips = getText() 3150 .getSpans(0, getText().length(), DrawableRecipientChip.class); 3151 3152 for (final DrawableRecipientChip recipient : recips) { 3153 final RecipientEntry existingEntry = recipient.getEntry(); 3154 if (existingEntry != null && existingEntry.isValid() && 3155 existingEntry.isSamePerson(entry)) { 3156 removeChip(recipient); 3157 } 3158 } 3159 } 3160 3161 public void setAlternatePopupAnchor(View v) { 3162 mAlternatePopupAnchor = v; 3163 } 3164 3165 private static class ChipBitmapContainer { 3166 Bitmap bitmap; 3167 // information used for positioning the loaded icon 3168 boolean loadIcon = true; 3169 float left; 3170 float top; 3171 float right; 3172 float bottom; 3173 } 3174} 3175